--- zzzz-none-000/linux-3.10.107/arch/mips/include/asm/prom.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/include/asm/prom.h	2021-02-04 17:41:59.000000000 +0000
@@ -11,38 +11,18 @@
 #ifndef __ASM_PROM_H
 #define __ASM_PROM_H
 
-#ifdef CONFIG_OF
+#ifdef CONFIG_USE_OF
 #include <linux/bug.h>
 #include <linux/io.h>
 #include <linux/types.h>
 #include <asm/bootinfo.h>
 
-extern int early_init_dt_scan_memory_arch(unsigned long node,
-	const char *uname, int depth, void *data);
-
 extern void device_tree_init(void);
 
-static inline unsigned long pci_address_to_pio(phys_addr_t address)
-{
-	/*
-	 * The ioport address can be directly used by inX() / outX()
-	 */
-	BUG_ON(address > IO_SPACE_LIMIT);
-
-	return (unsigned long) address;
-}
-#define pci_address_to_pio pci_address_to_pio
-
 struct boot_param_header;
 
-extern void __dt_setup_arch(struct boot_param_header *bph);
-
-#define dt_setup_arch(sym)						\
-({									\
-	extern struct boot_param_header __dtb_##sym##_begin;		\
-									\
-	__dt_setup_arch(&__dtb_##sym##_begin);				\
-})
+extern void __dt_setup_arch(void *bph);
+extern int __dt_register_buses(const char *bus0, const char *bus1);
 
 #else /* CONFIG_OF */
 static inline void device_tree_init(void) { }